Quote:
Originally Posted by james schaechter
I really like the Bell S2R, but I think it is SA2005. I bought a new Simpson Superbandit. I like that one too. It is SA2010. The Bell is more open, which makes it easier to see any gauges in the car, but I find I like the Simpson since I moved most of my gauges up.
The SA part is for fire resistant liner. Good idea. You can get these helmets all over. I got mine at TheCarShopInc from Tim Ryherd. He is a good person to deal with and good prices. A racer and he sponsors our Heartland Stock Superstock series. Worth a look.
http://www.carshopinc.com/index.php
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the SA is much more than a fire resistant liner. M rated helmets are motorcycle helmets and are tested for a single impact against a flat surface (head to road). In addition to fire retardant interior an SA helmet is put through a multiple implace acute angle test (helmet to roll cage, repeatedly as if a car was barrel rolling). While many helmet manufacturers construct their M and SA helmets the same except for the the fire retardant interior, many cheaper M rated helmets are not up to the SA standards for impact. Also some prominent helmet manufacturers make their M helmets offshore and SA in the USA.